unhandled action type 40
java.lang.reflect.InvocationTargetException
        at sun.reflect.GeneratedConstructorAccessor36.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at net.sf.l2j.gameserver.skills.EffectTemplate.getEffect(EffectTemplate.java:77)
        at net.sf.l2j.gameserver.model.L2Skill.getEffects(L2Skill.java:1206)
        at net.sf.l2j.gameserver.handler.skillhandlers.Disablers.useSkill(Disablers.java:94)
        at net.sf.l2j.gameserver.model.L2Character.callSkill(L2Character.java:4742)
        at net.sf.l2j.gameserver.model.L2Character.onMagicUseTimer(L2Character.java:4548)
        at net.sf.l2j.gameserver.model.L2Character$MagicUseTask.run(L2Character.java:305)
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
        at java.util.concurrent.FutureTask.run(Unknown Source)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
        at net.sf.l2j.gameserver.ai.L2CharacterAI.onIntentionAttack(L2CharacterAI.java:241)
        at net.sf.l2j.gameserver.ai.L2AttackableAI.onIntentionAttack(L2AttackableAI.java:260)
        at net.sf.l2j.gameserver.ai.AbstractAI.setIntention(AbstractAI.java:240)
        at net.sf.l2j.gameserver.ai.AbstractAI.setIntention(AbstractAI.java:205)
        at net.sf.l2j.gameserver.ai.L2AttackableAI.onEvtAttacked(L2AttackableAI.java:682)
        at net.sf.l2j.gameserver.ai.L2CharacterAI.onEvtRooted(L2CharacterAI.java:633)
        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:326)
        at net.sf.l2j.gameserver.ai.AbstractAI.notifyEvent(AbstractAI.java:288)
        at net.sf.l2j.gameserver.model.L2Character.startRooted(L2Character.java:1254)
        at net.sf.l2j.gameserver.skills.EffectRoot.onStart(EffectRoot.java:43)
        at net.sf.l2j.gameserver.model.L2Effect.scheduleEffect(L2Effect.java:308)
        at net.sf.l2j.gameserver.model.L2Effect.<init>(L2Effect.java:156)
        at net.sf.l2j.gameserver.skills.EffectRoot.<init>(EffectRoot.java:33)
        ... 17 more
unhandled action type 40